Overview
The 3003 aluminum sheet represents one of the most widely used alloys due to its corrosion resistance and workability. This alloy combines commercially pure aluminum with manganese, delivering approximately 20% greater strength than the 1100 series.
Equivalent Materials
Several aluminum alloys share comparable properties with 3003. The choice depends on balancing cost, durability, workability, and corrosion resistance requirements.
- 5052 series: Contains magnesium for enhanced durability, suitable for marine environments
- 6061 series: Offers superior machinability and weldability with silicon and magnesium composition, delivering higher yield strength
- 2024 and 7075 series: Valued for high strength-to-weight ratios in aerospace applications
Characteristics
The alloy exhibits excellent workability and good corrosion resistance through rolling and annealing operations. Surface finishes like mill finish or anodized coatings enhance aesthetic appeal and corrosion resistance. Around 75% of all aluminum ever produced is still in use today, thanks to recycling. The recycling process requires just 5% of the energy needed to produce the primary metal.
Uses
- Complex designs requiring intricate bending and forming
- Chemical tanks benefiting from corrosion resistance
- Pressure vessels and piping systems
- Decorative parts
- Weldable construction projects
Mechanical Properties
| Property | Value |
|---|---|
| Modulus of elasticity | 10,000 ksi |
| Shear strength | 14,000 psi |
| Fatigue strength | 9,000 psi |
| Tensile strength range | 17 - 30 KSI |
| Brinell hardness | 40 |
Chemical Composition
| Element | Percentage |
|---|---|
| Manganese | 1.0 - 1.5% |
| Copper | 0.05 - 0.20% |
| Silicon | 0.6 |
| Iron | 0.7 |
| Zinc | 0.1 |
